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#------------------------------------------------------------------------------
# Copyright (c) 2013-2025, Nucleic Development Team.
#
# Distributed under the terms of the Modified BSD License.
#
# The full license is in the file LICENSE, distributed with this software.
#------------------------------------------------------------------------------
from atom.api import Bool, Typed, ForwardTyped
from enaml.core.declarative import d_, observe
from .action import Action
from .toolkit_object import ToolkitObject, ProxyToolkitObject
class ProxyActionGroup(ProxyToolkitObject):
""" The abstract definition of a proxy ActionGroup object.
"""
#: A reference to the ActionGroup declaration.
declaration = ForwardTyped(lambda: ActionGroup)
def set_exclusive(self, exclusive):
raise NotImplementedError
def set_enabled(self, enabled):
raise NotImplementedError
def set_visible(self, visible):
raise NotImplementedError
class ActionGroup(ToolkitObject):
""" A non visible widget used to group actions.
An action group can be used in a MenuBar or a ToolBar to group a
related set of Actions and apply common operations to the set. The
primary use of an action group is to make any checkable actions in
the group mutually exclusive.
"""
#: Whether or not the actions in this group are exclusive.
exclusive = d_(Bool(True))
#: Whether or not the actions in this group are enabled.
enabled = d_(Bool(True))
#: Whether or not the actions in this group are visible.
visible = d_(Bool(True))
#: A reference to the ProxyActionGroup object.
proxy = Typed(ProxyActionGroup)
#--------------------------------------------------------------------------
# Public API
#--------------------------------------------------------------------------
def actions(self):
""" Get Actions defined as children of the ActionGroup.
"""
return [child for child in self.children if isinstance(child, Action)]
#--------------------------------------------------------------------------
# Observers
#--------------------------------------------------------------------------
@observe('exclusive', 'enabled', 'visible')
def _update_proxy(self, change):
""" An observer which updates the proxy when the group changes.
"""
# The superclass implementation is sufficient.
super(ActionGroup, self)._update_proxy(change)
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